You can edit the title of this thread to say, "delete please" so the mods will delete this one after you post elsewhere if you wish. Cross posting is against the rules, is why I mention it.
I am so sorry that I don't know how to care for a dove. She/he is beautiful.
Shes very cute, but if you can't read a number on her leg the chances of finding her owner are 0 to nothing. **Maybe** you can find someone near you who raises these birds, and its most likely theirs, but if your willing to keeping pet pigeons are quite easy, and she sounds tame already